This paper has as main purpose, make an approach to detect and identify information needs and information-seeking behavior of coaches in combat sports. Was applied a questionnaire to teachers of aikido, boxing, fencing, judo, karate, kendo, lima lama, wrestling and taekwondo selected by a non-probability sampling causality. In general, we find that the main topics of interest among instructors are training programs, nutrition and training diets. Moreover, coaches are more likely to use their experience, internet and courses for information. In contrast, we note that the library and the books are rarely used.